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Process of preparing granular oligofructose

A technology of granular fructooligosaccharides, which is applied in the field of preparation of granulated fructooligosaccharides, can solve the problems of high transportation costs, easy moisture absorption and agglomeration, inconvenient use, etc., and achieve the effect of simple production process and convenient operation

Inactive Publication Date: 2007-06-06
QUANTUM HI TECH (CHINA) BIO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] ① Detoxification of fructooligosaccharides
Liquid products have defects such as short shelf life, expensive packaging materials, and high transportation costs; powder products have the disadvantages of inconvenient use and easy moisture absorption and agglomeration, which affects the application of fructooligosaccharide products in the pharmaceutical industry and health care products industry. The application of tabletting and capsule filling has restricted the further expansion of the application field of fructooligosaccharide products

Method used

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  • Process of preparing granular oligofructose
  • Process of preparing granular oligofructose

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preparation example Construction

[0020] With reference to Fig. 1, preparation method of the present invention comprises the following steps:

[0021] (1) Mix sucrose and drinking water according to the weight ratio of 60-40:40-60, stir evenly, so that the sugar content of the sucrose dilution is 40-60%; (2) the enzymatic hydrolysis reaction uses fructosyl transferase, enzyme The activity is 20-50μ / g. The addition amount is 2 to 10% of the weight of sucrose, the sugar content of the syrup is 40 to 60%, the enzymolysis reaction temperature is 40°C to 60°C, the pH value is 4.0 to 8.0, and the reaction time is 16h to 30h; (3) when fructooligosaccharides account for When the ratio of solids reaches 52-60%, stop enzymolysis; (4) reclaim fructosyltransferase; (5) filter the above mixture with a plate and frame filter press, the initial filtrate should be refluxed, and the filtrate is transported to nanofiltration for purification (6) nanofiltration purification adopts nanofiltration membrane to carry out nanofiltra...

example 1

[0023] 300Kg sucrose and 220Kg drinking water are mixed and dissolved according to the weight ratio, and stirred evenly, so that the concentration of the sucrose dilution is 58% DS (soluble solids); The temperature is 48°C, the pH value is 5.0, and the reaction time is 25 hours; when the proportion of fructooligosaccharides in the solid matter reaches 55%, stop the enzymatic hydrolysis; recover the fructosyltransferase; filter the above mixture with a plate and frame filter press, and the initial filtrate It should be refluxed, and the filtrate should be transported to the nanofiltration purification; the nanofiltration purification adopts the nanofiltration membrane, and when the proportion of fructooligosaccharides in the solid matter reaches 92.5%, stop the nanofiltration; decolorize the syrup; start the vacuum concentrator, when the separation When the vacuum of the device reaches -0.06MPa, open the steam valve. At this time, the working steam pressure is controlled at 0.15...

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Abstract

The process of preparing granular oligofructose includes the following steps: enzymolysis of cane sugar with fructosyl transferase, filtering to eliminate impurity, nanometer filtering to purify, enzymolysis and nanometer filtering for the second time to obtain high purity oligofructose syrup, concentrating, sterilizing, spray drying, and pelletizing to obtain granular oligofructose product. The process is simple and low in cost, and may be used in industrial production.

Description

technical field [0001] The present invention relates to a method for preparing granular fructooligosaccharides, specifically a technology based on boiling drying and granulation, using fructosyltransferase to convert sucrose into fructooligosaccharides, and then purifying fructooligosaccharides through nanofiltration, A method for preparing granular fructo-oligosaccharides in the process of spray drying and drying granulation. Background technique [0002] Fructooligosaccharides (English name: Fructooligosaccharides, FOS), also known as fructooligosaccharides or sucrose trisaccharide oligosaccharides, molecular formula: G-F-Fn; n=1-3 (G is glucose, F is fructose), It refers to kestose, kestetose, kestose pentaose and their mixtures formed by connecting 1 to 3 fructosyl groups on the fructose residue of the sucrose molecule through a β (1→2) glycosidic bond. [0003] Fructooligosaccharides (English name: Fructooligosaccharides, FOS) are widely distributed in various higher p...

Claims

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Application Information

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IPC IPC(8): C12P19/18B01J2/02
Inventor 曾宪经
Owner QUANTUM HI TECH (CHINA) BIO CO LTD